Portable cassette player



FIG. 1 is a top, front and right side perspective view of a portable cassette player showing my new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevation thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a portable cassette player, as shown and described. 